[j-nsp] Interface Index(ifIndex) changes when router is rebooted

Paul Stewart paul at paulstewart.org
Sat Aug 14 09:27:57 EDT 2010


I have to agree here - having the monitoring software "rediscover" where the
ifindex for an interface is after a reboot isn't ideal in my opinion.....

Paul


-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net
[mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of martin
Sent: Saturday, August 14, 2010 5:18 AM
To: Chris Adams; juniper-nsp at puck.nether.net
Subject: Re: [j-nsp] Interface Index(ifIndex) changes when router is
rebooted

ok, but what do you mean by fix the software? You don't poll
interfaces by ifindex number?

2010/8/14 Chris Adams <cmadams at hiwaay.net>:
> Once upon a time, martin <m4rtin86 at gmail.com> said:
>> As ifindex value has to be persistent in order to use
>> it for SNMP based monitoring solutions(for example Nagios),
>
> Basically, fix the software.  It isn't that hard to do; Cricket (among
> others) has managed to handle it for 10+ years.  There will always be
> cases where instance numbers change, so you might as well go ahead and
> deal with it.
>
> For Nagios, I use a plugin wrapper that can walk a specified tree, cache
> the tree, match the desired value, and then call another plugin with the
> instance number.
> --
> Chris Adams <cmadams at hiwaay.net>
> Systems and Network Administrator - HiWAAY Internet Services
> I don't speak for anybody but myself - that's enough trouble.
> _______________________________________________
> juniper-nsp mailing list juniper-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/juniper-nsp
>

_______________________________________________
juniper-nsp mailing list juniper-nsp at puck.nether.net
https://puck.nether.net/mailman/listinfo/juniper-nsp




More information about the juniper-nsp mailing list